🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`stackusabuild.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9639^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:bc2^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.11.194^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.57^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adele.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:269c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adele.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adele.ns.cloudflare.com`
		A	108.162.194.156^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
		A	162.159.38.156^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
		A	172.64.34.156^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
NS	`cesar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c377^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cesar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2377^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cesar.ns.cloudflare.com`
		A	108.162.195.119^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	162.159.44.119^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
		A	172.64.35.119^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cesar.ns.cloudflare.com`
MX	`_dc-mx.774ce771ea04.stackusabuild.co` ⭐
TXT	`v=spf1 include:_spf.alphamxsend.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.11.194, 172.67.150.57
		IPv6 hints	2606:4700:3034::ac43:9639, 2606:4700:3036::6815:bc2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=29, name=cloudflare-ech.com
SOA	`adele.ns.cloudflare.com`dns@cloudflare.com serial=2412757714

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759750890

Same first word

stackusabuild.co

Similar names

buildusastack.co

usabuildstack.co

buildstackusa.co

stackbuildusa.co

usastackbuild.co

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSadele.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

●NScesar.ns.cloudflare.com2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

●MX_dc-mx.774ce771ea04.stackusabuild.co2026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

●A104.21.11.1942026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

●A172.67.150.572026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

●A2606:4700:3034::ac43:96392026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

●A2606:4700:3036::6815:bc22026-08-31 → 2026-09-05 · 2 obs

● 2026-08-31 12:30:30
● 2026-09-05 20:49:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co	-
stackusabuild.co	adele.ns.cloudflare.com, cesar.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.156

NS records: adele.ns.cloudflare.com, cesar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stackusabuild.co (unsigned zone)

⏱️ Timing

Total: 833ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.57, 104.21.11.194`
AAAA	2	`2606:4700:3036::6815:bc2, 2606:4700:3034::ac43:9639`
NS	2	`adele.ns.cloudflare.com, cesar.ns.cloudflare.com`
MX	1	`_dc-mx.774ce771ea04.stackusabuild.co (pr`
TXT	1	`v=spf1 include:_spf.alphamxsend.net ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adele.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

stackusabuild.co has four IP addresses: 104.21.11.194, 172.67.150.57, 2606:4700:3034::ac43:9639 and 2606:4700:3036::6815:bc2.

Two other host names, along with 30256585q.es, 43232k.com and kyvshin.ru, also share IP numbers with stackusabuild.co.

Name Servers

Two name servers handle the delegation for stackusabuild.co: adele.ns.cloudflare.com and cesar.ns.cloudflare.com.

stackusabuild.co shares its NS records with other domains, for example usemomentumai.com, cungmart.workers.dev, f1dqiye5.workers.dev and two others.

stackusabuild.co has at least partial name server overlap with other domains, such as clearexpandpro.info, landlift.io, cssht.com.cn and two others.

It is common to see these name servers used together with name servers karina.ns.cloudflare.com and kaiser.ns.cloudflare.com.

DNS names with 6 IP addresses:

adele.ns.cloudflare.com resolves to 108.162.194.156, 162.159.38.156 and 172.64.34.156 among others, with 3 other IP addresses in total.

cesar.ns.cloudflare.com resolves to 108.162.195.119, 162.159.44.119 and 172.64.35.119 among others, with 3 other IP addresses in total.

Mail Servers

The sole mail server for stackusabuild.co is _dc-mx.774ce771ea04.stackusabuild.co.

stackusabuild.co - robtex.com